2110842 has 12 divisors (see below), whose sum is σ = 4573530. Its totient is φ = 703608.

The previous prime is 2110837. The next prime is 2110847. The reversal of 2110842 is 2480112.

It is an interprime number because it is at equal distance from previous prime (2110837) and next prime (2110847).

It can be written as a sum of positive squares in only one way, i.e., 1390041 + 720801 = 1179^2 + 849^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 117269 = 2110842 / (2 + 1 + 1 + 0 + 8 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (2110847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58617 + ... + 58652.

2^2110842 is an apocalyptic number.

2110842 is an abundant number, since it is smaller than the sum of its proper divisors (2462688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2110842 is a wasteful number, since it uses less digits than its factorization.

2110842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117277 (or 117274 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2110842 is about 1452.8737040775. The cubic root of 2110842 is about 128.2779198930.

Adding to 2110842 its reverse (2480112), we get a palindrome (4590954).

The spelling of 2110842 in words is "two million, one hundred ten thousand, eight hundred forty-two".